Home / 19,590.87-27,035.60-10,638.45

Finding the Fourth Proportional to 19,590.87, 27,035.60 and 10,638.45

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Solution

The fourth proportional to 19,590.87, 27,035.60 and 10,638.45 is: 14,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.87 : 27,035.60 = 10,638.45 : x
  2. Step 2: Convert to fraction form
    19,590.87/27,035.60 = 10,638.45/x
  3. Step 3: Cross multiply
    19,590.87x = 27,035.60 × 10,638.45
  4. Step 4: Simplify right side
    19,590.87x = 287,616,825.63
  5. Step 5: Solve for x
    x = 287,616,825.63/19,590.87
  6. Step 6: Final answer
    x = 14,681.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.